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OBD2 PCMs were mandated by the federal government in the US for all 1996 light duty vehicles. There are some vehicles that had partial OBD2 capabilities in 94-95, especially for the California market but they were still technically OBD1 as they did not have full OBD2 functionality. An example...

With everything else you've tested I wouldn't be surprised at all if its the RAM. Is all the RAM the same make/model/speed as well? While it shouldn't matter I have seen some motherboards that are extremely picky and will not boot without the RAM all being identical. Normally it should just boot...

According to Car & Driver the 4WT starts at $80K. The lowest work truck is suppose to be $52K estimated but no info on when those will be released. The RST will be $107K. Again, another $100K+ truck, no thanks.

Yes, RAM can die like anything else. If your PC has diag lights or tones and its telling you its RAM, thats probably the issue. You can pull it out and take a look at it, sometimes you can see something like corrosion on the pins or damage from a hot spot. Other times, you won't see anything at...

So ugly it makes a Rivian look good by comparison. If they could actually produce for $40K some people might buy it despite hideous factor. But at $100K it just another useless electric truck no one except Musk fanboys will buy.

Yeah, I think the largest EEPROMS I've seen are 1MB. Most of the ones I've worked with are 64K, 128K, 256K, and 512K, as those are the common sizes for the EPROM and EEPROMs used in the GM OBD1 ECM/PCMs.

Still have old EPROM and EEPROM for my old GM OBD1 tuning stuff. Most stuff has moved on to FLASH but these were used in lots of ECM/PCMs for vehicles until the mid 90s when OBD2 required programming from the OBD port. Still have my old programmer and UV eraser for when I need to write a chip...

I'm sure one of the GM auto trans guys will chime in but to me it sounds like it needs a full rebuild. The 4L80e is a strong transmission but like anything else lack of maintenance and abuse can kill it like any other transmission. If there was a lot of clutch material in the converter I don't...

Windows on these cars are heavy and GM made the great decision to run all the power through the window switches, rather than using a relay setup that would allow the motors to pull directly from the battery. The wiring for the switches is far too small to properly power the window motors, which...

I'd recommend spending the extra money on a laser instead. They last forever, are cheaper per page to operate, and toner doesn't dry up like ink does. Yes, they do tend to be a bit more expensive in up front costs and the toner/imaging units are more expensive than an inkjet cart, but b/w...

Because I can. I have 2 Camaros that are toys and my truck that I drive most of the time. I have a 3 stall garage behind my house as well as a 5.5 acre property where I also have 3 campers and a couple 4 wheelers. Might as well enjoy myself while I'm here.

Judging by what I got from my 18 Sierra when I got rear ended I'm going to go with $4500. OEM bumpers are expensive.

Wouldn't surprise me at all, I'm sure IL has about the same rate. Up in Chicago its probably more like 75-80%.

Pretty sure this falls under the laws of the state. I know IL requires uninsured/underinsured on all policies now. I have it on all my vehicles on top of the other coverage, my Camaros have just regular comp, the 94 Camaro also has special insurance for its a heavily modded car that I also race...

Considering how most teens are on vehicles, I'd say the body damage is just flavor added. Its been 25+ years since my teen years but my first car was an 85 Turbo 2.2L Lebaron 4 door that looked like it had already been through more than its fair share of dings and dents. My father paid $1500 for...

This. I'm not a pilot and have no skills there at all. I am in the tech field and know more about computers than most people. Unless we come up with real AI, not the current machine learning stuff that is being incorrectly called AI, that can actually think and anticipate like a real human...

If you don't need a new car, don't buy one. Cars are expensive and are generally a deprecating asset. Unless you have something that is rare and sits in a garage, you probably won't be getting any money back that will make it worth while in the long term. I have friends who think like this as...

What year? I have put long tubes on a few GMT400s, used to have them on my 95 Tahoe and currently my brother's 97 K1500 truck has them as well. Both had the 350 rather than the 454 though. I would imagine it wouldn't be much different than finding headers that will fit the Gen IV/V/VI big...

The 8 speed was offered on both the 5.3 and 6.2 in 2016, so its possible he could have either the 6 speed or the 8 speed depending on the engine option. All 6.2 engines only received the 8 speed, the 5.3 it was available on the higher trims but most came with the 6 speed. If he wants to verify...

8L90E, not the ZF8. If he is getting the shudder, have him take it in to a dealer and have them perform 18-NA-355 TSB. The original fluid in these absorbed water and they switched to a different blue label Mobil 1 LV ATF that is suppose to fix it. Had it done on my 2018 Sierra for the hard 1-2...